search for: lmer_int_agexdisc

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parsing an lmer error with interaction term
2007 May 14
1
parsing an lmer error with interaction term
...mix COL425MX075S2 yes of mix COL425MX075S2 yes of mix COL425MX075S2 yes of mix STP560JG118S14 no g pnl STP560JG118S22 no g pnl STP560JG118S20 no g pnl STP560JG118S15 no g pnl STP560JG118S20 no g int And here is the model: lmer_int_ageXdisc <- lmer(Concord ~ Age*Disc + (1|Subject), family="binomial", data=d, method="Laplace") In the actual data set the AgexDisc interaction should have 16 levels. This produces the error: Error in devLaplace(PQLpars) : Leading minor of order 7 in downdated X'X is not po...